AK2572 Datasheet, PDF (8/50 Pages) Asahi Kasei Microsystems – APC for Burst Mode Applicable Direct Modulation Laser Diode

ASAHI KASEI
[AK2572]
(5) I-DAC1 Characteristics
Item
Condition
Min. Typ. Max. Unit
Note
Resolution
8
bit
Straight Binary
Maximum Output
Current 1 (Source)
IOUT1＝1.3V
9.4
10.2
11.0
mA
Input Code＝FFh
RE_DAC1_GAIN＝1
Maximum Output
Current 2 (Source)
IOUT1＝1.3V
0.94
1.02
1.10
mA
Input Code＝FFh
RE_DAC1_GAIN＝0
Current Supply at
Shutdown
IOUT1＝VSS
10
μA
RE_MODV_SEL＝0
TXDIS＝“H” [*]
1 LSB Current Step 1
IOUT1＝1.3V
40.0
μA RE_DAC1_GAIN＝1
1 LSB Current Step 2
IOUT1＝1.3V
4.0
μA RE_DAC1_GAIN＝0
DNL
IOUT1＝1.3V
-1
+ 1 LSB Input Code＝10h~FFh
INL
IOUT1＝1.3V
-2
+ 2 LSB Input Code＝10h~FFh
[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.
Refer to Table 7-1.
(6) I-DAC2 Characteristics
Item
Condition
Min. Typ. Max. Unit
Note
Resolution
8
bit
Straight Binary
Maximum Output
Current 1 (Sink)
IOUT2＝VDD－1.7V
78.2
85.0
91.8
mA
Input Code＝FFh
RE_DAC2_GAIN＝1
Maximum Output
Current 2 (Sink)
IOUT2＝VDD－1.7V
39.1
42.5
45.9
mA
Input Code＝FFh
RE_DAC2_GAIN＝0
Current Supply at
Shutdown
IOUT2＝VDD
100 μA
TXDIS＝“H” [*]
1 LSB Current Step 1 IOUT2＝VDD－1.7V
333
μA RE_DAC2_GAIN＝1
1 LSB Current Step 2 IOUT2＝VDD－1.7V
167
μA RE_DAC2_GAIN＝0
DNL
IOUT2＝VDD－1.7V - 1
+ 1 LSB Input Code＝10h~FFh
INL
IOUT2＝VDD－1.7V - 2
+ 2 LSB Input Code＝10h~FFh
[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.
Refer to Table 7-1.
(7) V-DAC3 Characteristics
Item
Condition
Min. Typ. Max. Unit
Note
Resolution
8
bit
Straight Binary
Maximum Output
Voltage 1
10kΩ (to VSS)
1.11 1.20 1.29
V
Input Code＝FFh
RE_DAC3_GAIN＝1
Maximum Output
Voltage 2
10kΩ (to VSS)
2.03 2.20 2.37
V
Input Code＝FFh
RE_DAC3_GAIN＝0
Minimum Output
Voltage
10kΩ (to VDD)
0.2
V
Input Code＝00h
Voltage Supply at
Shutdown
10kΩ (to VDD)
0.2
V
RE_MODV_SEL＝1
TXDIS＝“H” [*]
1 LSB Voltage Step 1
10kΩ (to VSS)
4.7
mV RE_DAC3_GAIN＝1
1 LSB Voltage Step 2
10kΩ (to VSS)
8.6
mV RE_DAC3_GAIN＝0
DNL
10kΩ (to VSS)
-1
+ 1 LSB Input Code＝20h~FFh
INL
10kΩ (to VSS)
-2
+ 2 LSB Input Code＝20h~FFh
[*] At RE_SFP_SET＝“0“, a logical sum of TXFAULT output and TXDIS-pin input becomes a disable request.
Refer to Table 7-1.
-8-
<MS0290-E-01>
2004/8